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81131_7.book Page 69 Wednesday, March 17, 2004 3:59 PM
Chapter 5: Installing the ST4000+ 69
Note: If the wheel is bent or the wheel drive is off center, the pin will move up and down in the back plate slot. As long as the pin does not hit the top or bottom of the slot, this pin movement will not affect the drive unit’s performance.
13. When you have checked alignment, fully tighten all four screws.
Connecting to the control unit
When you have attached the pedestal bracket, you need to connect the wheel drive to the control unit. The drive unit is supplied with 4.5 m
(15 ft) of 2-core cable with a waterproof socket at one end.
1. Connect the socket to the plug on the wheel drive’s motor tube:
• remove the socket cover
• pull back the plug cover
• align the locking ring, plug and socket as shown below
Socket
Contact
Motor tube
Locking ring Plug Plug cover
(pulled back)
Cable
Socket cover
D5409-1
• push the plug firmly into the socket
• turn the locking ring 90° clockwise
• make the connection waterproof by pulling the plug cover across so it protects the plug and socket
Note: To remove the plug, pull back the cover and turn the locking ring 90° anti-clockwise. If you disconnect the socket for any reason, always use the attached rubber cover to protect the socket.
81131_7.book Page 70 Wednesday, March 17, 2004 3:59 PM
70 ST4000+ Wheel & Tiller Autopilots: Owner’s Handbook
2. Route the cable through the pedestal (or guard rail) and back to the control unit:
• if the pedestal has a cable duct, use this for the drive cable to make sure that it cannot foul the steering mechanism
D5338-1
3. Run the drive cable back to the control unit and connect the two cores to the Drive terminals as shown.
Brown Blue
D3284-2
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